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Figure 7-16. STP Global Settings
•
Spanning Tree State
— Enables or disables Spanning Tree on the device. The possible field values are:
–
Enable
— Enables Spanning Tree
–
Disable
— Disables Spanning Tree
•
STP Operation Mode
— The STP mode by which STP is enabled on the device. The possible field
values are:
–
Classic STP
— Enables Classic STP on the device. This is the default value.
–
Rapid STP
— Enables Rapid STP on the device.
•
BPDU Handling
— Determines how BPDU packets are managed when STP is disabled on the port/
device. BPDUs are used to transmit spanning tree information. The possible field values are:
–
Filtering
— Filters BPDU packets when spanning tree is disabled on an interface.
–
Flooding
— Floods BPDU packets when spanning tree is disabled on an interface. This is the
default value.
•
Port Cost Default Values
— Determines the Spanning Tree default path cost method. The possible
field values are:
–
Short
— Specifies 1 through 65535 range for port path costs. This is the default value.
–
Long
— Specifies 1 through 200000000 range for port path costs.